import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '@/components/login.vue'
import Home from '@/components/home.vue'
import Welcome from '@/components/welcome.vue'
import User from '@/components/user/Users.vue'
import Rights from '@/components/power/Rights.vue'
import Roles from '@/components/power/Roles.vue'
import Cate from '@/components/good/Cate.vue'
import Params from '@/components/good/Params.vue'
import GoodsList from '@/components/good/List.vue'
import GoodsAdd from '@/components/good/Add.vue'
import GoodsEdit from '@/components/good/Edit.vue'
import Order from '@/components/order/Order.vue'
import Report from '@/components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: 'login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      { path: '/welcome', component: Welcome },
      { path: '/users', component: User },
      { path: '/rights', component: Rights },
      { path: '/roles', component: Roles },
      { path: '/categories', component: Cate },
      { path: '/params', component: Params },
      { path: '/goods', component: GoodsList },
      { path: '/goods/add', component: GoodsAdd },
      { path: '/goods/edit', component: GoodsEdit },
      { path: '/orders', component: Order },
      { path: '/reports', component: Report }

    ]
  },

]

const router = new VueRouter({
  routes
})

// 挂载导航守卫
router.beforeEach((to, from, next) => {
  // to 表示将要访问的路径
  // from 非标从哪个路径跳转过来
  // next 是一个函数，表示放行
  //  next() 放行  next('/login') 强制跳转
  if (to.path === '/login') return next()
  // 获取 token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
